Fix: R48xx: only interlock against battery-powered inverters

hoylabs · Feb 8, 2025 · 3bab4f3 · 3bab4f3
1 parent 6d2d85b
commit 3bab4f3
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Showing 3 changed files with 6 additions and 4 deletions.
diff --git a/include/PowerLimiter.h b/include/PowerLimiter.h
@@ -53,7 +53,9 @@ class PowerLimiterClass {
     Mode getMode() const { return _mode; }
     bool usesBatteryPoweredInverter();
     bool usesSmartBufferPoweredInverter();
-    bool isGovernedInverterProducing();
+
+    // used to interlock Huawei R48xx grid charger against battery-powered inverters
+    bool isGovernedBatteryPoweredInverterProducing();
 
 private:
     void loop();

diff --git a/src/PowerLimiter.cpp b/src/PowerLimiter.cpp
@@ -931,10 +931,10 @@ bool PowerLimiterClass::usesSmartBufferPoweredInverter()
     return false;
 }
 
-bool PowerLimiterClass::isGovernedInverterProducing()
+bool PowerLimiterClass::isGovernedBatteryPoweredInverterProducing()
 {
     for (auto const& upInv : _inverters) {
-        if (upInv->isProducing()) { return true; }
+        if (upInv->isBatteryPowered() && upInv->isProducing()) { return true; }
     }
     return false;
 }
diff --git a/src/gridcharger/huawei/Controller.cpp b/src/gridcharger/huawei/Controller.cpp
@@ -192,7 +192,7 @@ void Controller::loop()
             _autoPowerEnabledCounter = 10;
         }
 
-        if (PowerLimiter.isGovernedInverterProducing()) {
+        if (PowerLimiter.isGovernedBatteryPoweredInverterProducing()) {
             _setParameter(0.0, Setting::OnlineCurrent);
             // Don't run auto mode for a second now. Otherwise we may send too much over the CAN bus
             _autoModeBlockedTillMillis = millis() + 1000;